Medical research indicates that large amounts of Histamines can responsible for cold, high fever, and other respiratory reactions.

Running along the 180th meridian, the International Date Line is separated one day from another

Most Polar seals retreat to open water during the winter, but a few types have learn to survive on and under the ice all year round.

One of the four underlined parts marked A, B, C, D in each sentence is not correct in standard English. Identify them: 

What you would do if you could speak French well? 

It is estimated that at least a million meteors have hit the Earth’s land surface, which is only 25 percentage of the planet

The authorities are worried about the increase of drug abuse.

Jobs which are highly paid in some countries are badly paid in other.

Last night there was .......... singing outside my house. 

Had I known the carpenter was going to take three days to show up, I ___________ the materials and done the work myself. It would be finished by now. 

Water , ice, and snow play a role in affecting an Earth’s rotation

Public health experts say the money one spends avoiding illness is less than the cost to be sick

The police officer lectured the children for ten minutes about the dangers to throw stones, but then let them off with  warning.

Mr. Brown bought ..............new car ..................last week. 

One of the four underlined parts marked A, B, C, D in each sentence is not correct in standard English. Identify them: 

If drivers obeyed the speed limit, fewer accidents occur. 

The factory was fined for ...... chemicals into the river.

Her application for a visa was turned down not only because it was incomplete and incorrectly filled out but also because it was written in pencil.

____, please paint the windows before you leave. 

Choose the correct answer to complete the sentence. "Planting trees can contribute to _____ global warming"

Despite television is the dominant entertainment medium for United States households, Garrison Keillor’s Saturday night radio show of folk songs and stories is heard by millions of people.

I really hope my sister will apply for that new job; she will be so good with it

I’m sorry I missed seeing my old friend at your party. I wish I ______.